Spark-arrester.



wi/tmeoom A. M. LINDSEY.

SPARK ARRESTBR.

APPLICATION IILBD r1112. 12, 1914 Patented Decx 29, 1914.

THE NORRIS PETERS 50.. PHOTO-LITHQ. WASHINGTON, D. c.

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ABCHIBALD LINDSEY, or wanvitnngwasnrneron;

To all whom it may concern l Be it known that I, AnenTBA 'o' M. LIND- SEY, a citizen of the United States, residing at VValville, in the county of Lewis :and

State of \Vashington, have invented certainv I 1 moyable .bolt 18 to, theatrap 11 and is formed at 1ts "lower'edge with a flange adapted to new and useful Improvements in Spark Arresters; and I do hereby declare the following to bea full, clear, andfeXact deseriptlon of the lnventlon, such as willienable;

others skilled in the art to which it appertams to'make and use the same.

The object of this invention is theprovi- In the accompanying drawing wherein is shown a practical an d approved embodiment of theinvention Figuregl is'a side elevation of a spark arrester applied toa locomotive smoke stack. Fig. 2 is a sectional view on the line 22 of Fig. 1. Figs. 3, 4, 5 and 6 represent side elevations of the various parts of the stack and spark arrester detached.

Referring to the drawing in detail, the numeral 10 indicates the smoke stack preferably formed of sheet metal and gradually enlarged from its lower to its upper end, the

latter being enlarged or bulged at 11 to provide an annular pocket or trap having its bottom disposed slightly below the turned edge 12 of the stack 29 to receive and retain the sparks blown upwardly, through the stack 10, in a manner to be hereinafter clearly described. a p

The extreme upper end of the trap 11 is formed with an upstanding flange 13, while the bottom thereof communicates with two or -more depending outlet pipes 14: through which the cinders are adapted to pass in leaving the trap, and a ring 15 is adapted to snugly fit within the flange 13 and is removably secured in position by suitable bolts or the like. An inverted foraminous cone 16 preferably formed of galvanized iron mesh having an open upper end is reliably secured within the ring 15 and depends therefrom a distance downwardly within the stack 10. It will be SPARK-ARRESTER.

into the trap ,11, l

A cone or top member is hinged by a resurround the flange 13" when the parts are .operatively assembled as shown in Figs. 1

and 2, a suitable locking device 19 is provlded for securing the top member 17 in position upon the stock. The body of the xmember 17 is flared from its lower to its upper end, and a foraminous and upwardly tapered sheet of material 20is secured over the upper end thereof and formed brine.

' Specificatio'n'of Letters Iaten't. Patented. Dec. 29, 19141. i a lication filed February 12,1914, serial No. 818,212. 1

with an opening inits upper end in which is secured an annular ring 21. A second size than the cone 16 is secured to a band or ring 24 which latter is secured by suitable bolts or the like within the ring 21 in an inverted position as shownin Fig. 2.

From the foregoing it is apparent that the sparks flying upwardly within the stack 10 strike against the inclined wall of thecone 16 and are deflected into the trap 11 where theyare either burned out or extinguished by a steam blast from the nozzle (not shown) The smaller sparks passing through the main or lower cone 16 are arrested either by the foraminous member 20 or the second orupper inverted cone 23.

. The entire device may be quickly and conveniently disassembled, during the operation of the locomotive if necessary, by simply unlocking the cover or top member 17 at 19 thus giving access to the interior parts of the arreste'r. v

WhatI claimisi y 1. In a spark arrester, a smoke stack having the upper end circumferentially bulged to provide a spark trap, the latter terminating man upstanding flange, an upwardly flared imperforate memberhinged to said' trap and adapted to be seated on said flange, and a foraminous closure of sald flared member.

2. In a spark arrester, a smoke stack havfor the upper end member hingedly secured exteriorly of said flange, a foramlnous closure for the upper, I

1 end of said flared member, and an inverted foraminous conical member dependingfrom -"int0 said flared member and said stack rei Copies bf'tl is patent may be obtained for said annular flange into. saidstack and adapted to direct sparks into said trap.

In a spark arrester, a smoke stack having, a bulged upper end forming a spark trap, an upwardly flared imperforate'member hinged to said trap and a pair of concentrically alined inverted foraminous conical members dependmg from and pr0 ect1ng spectively.

4. In a spark arrester, a smoke stack having a bulged upper end forming a spark trap and terminating in an upstanding annular flange, outlet pipes depending from and ing removably secured in each of said annular flanges.

In testimony whereof I have signed my name to this specification in the presence of two subscribing Witnesses.

ARCHIBALD M. LINDSEY.

Witnesses:

M. E. CARTER, C L. CAVERLEY.

five cents each; by addressing'the Commissioner of Patents- Washington, I). G. 

